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All results from a given calculation for CH3CHCHCH3 (2-Butene, (E)-)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-157.132763
Energy at 298.15K-157.140380
Nuclear repulsion energy114.800821
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3045 3022 0.00      
2 A 3031 3007 0.00      
3 A 2947 2924 0.00      
4 A 1695 1682 0.00      
5 A 1466 1454 0.00      
6 A 1389 1379 0.00      
7 A 1303 1293 0.00      
8 A 1137 1129 0.00      
9 A 854 847 0.00      
10 A 487 484 0.00      
11 A 2988 2965 62.44      
12 A 1457 1446 8.85      
13 A 1044 1036 0.04      
14 A 977 970 21.26      
15 A 239 237 2.71      
16 A 174 173 1.18      
17 A 2988 2965 0.00      
18 A 1457 1446 0.00      
19 A 1032 1024 0.00      
20 A 727 722 0.00      
21 A 227 225 0.00      
22 A 3054 3031 95.82      
23 A 3028 3005 14.47      
24 A 2946 2924 80.00      
25 A 1474 1463 11.07      
26 A 1387 1376 2.22      
27 A 1301 1291 7.96      
28 A 1046 1038 1.78      
29 A 966 959 14.33      
30 A 271 269 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 23069.9 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 22892.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/6-31G**
ABC
1.14739 0.12184 0.11488

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.673 0.000
C2 0.000 -0.673 0.000
C3 -1.232 1.548 0.000
C4 1.232 -1.548 0.000
H5 0.965 1.199 0.000
H6 -0.965 -1.199 0.000
H7 -2.156 0.948 0.000
H8 2.156 -0.948 0.000
H9 -1.256 2.210 0.884
H10 -1.256 2.210 -0.884
H11 1.256 -2.210 0.884
H12 1.256 -2.210 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.34561.51072.53901.09882.10542.17312.69692.17302.17303.26633.2663
C21.34562.53901.51072.10541.09882.69692.17313.26633.26632.17302.1730
C31.51072.53903.95572.22402.75911.10144.20721.10511.10514.59214.5921
C42.53901.51073.95572.75912.22404.20721.10144.59214.59211.10511.1051
H51.09882.10542.22402.75913.07733.13042.45472.59562.59563.53323.5332
H62.10541.09882.75912.22403.07732.45473.13043.53323.53322.59562.5956
H72.17312.69691.10144.20723.13042.45474.70961.78411.78414.73214.7321
H82.69692.17314.20721.10142.45473.13044.70964.73214.73211.78411.7841
H92.17303.26631.10514.59212.59563.53321.78414.73211.76885.08355.3824
H102.17303.26631.10514.59212.59563.53321.78414.73211.76885.38245.0835
H113.26632.17304.59211.10513.53322.59564.73211.78415.08355.38241.7688
H123.26632.17304.59211.10513.53322.59564.73211.78415.38245.08351.7688

picture of 2-Butene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.384 C1 C2 H6 118.589
C1 C3 H7 111.637 C1 C3 H9 111.408
C1 C3 H10 111.408 C2 C1 C3 125.384
C2 C1 H5 118.589 C2 C4 H8 111.637
C2 C4 H11 111.408 C2 C4 H12 111.408
C3 C1 H5 116.027 C4 C2 H6 116.027
H7 C3 H9 107.914 H7 C3 H10 107.914
H8 C4 H11 107.914 H8 C4 H12 107.914
H9 C3 H10 106.319 H11 C4 H12 106.319
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.050      
2 C -0.028      
3 H 0.050      
4 C -0.028      
5 H 0.094      
6 H 0.100      
7 H 0.100      
8 C -0.318      
9 H 0.094      
10 H 0.100      
11 H 0.100      
12 C -0.318      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.708 -0.133 0.000
y -0.133 -24.993 0.000
z 0.000 0.000 -27.598
Traceless
 xyz
x 0.588 -0.133 0.000
y -0.133 1.660 0.000
z 0.000 0.000 -2.247
Polar
3z2-r2-4.494
x2-y2-0.715
xy-0.133
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 113.470
(<r2>)1/2 10.652